chuck hagel has been confirmed. he will be the next defense secretary of the united states. a few minutes ago, the senate backed the president's nominee in a vote, 58-41, with four republicans joining democrats. and the vote ended a contentious fight over the president's second choice for his second term national security team. >>> today, the u.s. supreme court hears awrmtsds -- arguments from maryland officials who want approval for police to take dna samples from people arrested for a crime. 28 states in the federal government already collect dna from people arrested for various crimes. privacy advocates and others say, though, it is unconstitutional. the justices will make a final decision in the case later this year. >>> the maryland senate debates new gun regulations. and the arguments are already getting heated. political reporter pat warren explains, the governor's firearms safety act is raising constitutional questions. >> the sandy hook school massacre in newtown, connecticut, has maryland looking at licensing and fingerprinting people who want to own guns. >> peopl